Mitsubishi Electric GOT SIMPLE Series Operation Manual page 92

■Shared grounding (Good)
Ground the system at one end.
To prevent noise from entering the GOT, use a short and thick wire for grounding between the ground and the control panel to
lower ground resistance.
Power equipment
(such as servo)
FG
CN1A CN 1B
LG
CN2 CN3
FG
Panel grounding
Use as short and thick a wire as possible.
■Common grounding (Not allowed)
Do not connect the ground cables of the power equipment and control equipment with a wire.
When the cables are connected, noise from the power equipment may affect the control equipment, causing a malfunction.
Power equipment
(such as servo)
CN1A CN1B
FG
LG
CN2 CN3
FG
The power equipment
and the control
equipment are
connected with a wire.
Panel grounding
Recommended terminal shape
6.2 mm or less
6.2 mm or less
Applicable solderless terminal
RAV1.25-3, V2-S3.3, V2-N3A, FV2-N3A
8 WIRING OF POWER SUPPLY SECTION
90
8.3 Grounding
Connection cable
FG
Panel grounding
Connection cable
φ3.2
φ3.2
When wiring one cable
to one terminal
GOT
GOT
FG
Panel grounding
Terminal Solderless
screw terminal
When wiring two cables
to one terminal
Terminal Solderless
screw terminal